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Confusing BIND with CNAMEs

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Ian Gulliver
2019-04-15 02:12:33 +00:00
parent ae9351b8f3
commit 3ddb0792bb
4 changed files with 38 additions and 0 deletions
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markdown/2009-09-11-confusing-bind-with-cnames.md Normal file
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<!--# set var="title" value="Confusing BIND with CNAMEs" -->
<!--# set var="date" value="September 11, 2009" -->
<!--# include file="include/top.html" -->
Given the zone:
subdomain IN NS nameserver
nameserver IN CNAME nameserver.otherserver
in a BIND server that is both recursive and authoritative, requests without RD (recursion desired) return the NS record, while requests with RD return SERVFAIL. Changing it to:
subdomain IN NS nameserver.otherserver
fixes the problem, though both resolution trees are perfectly valid.
<!--# include file="include/bottom.html" -->